138879406

素因数分解:

$2^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 209848320

約数和(自身を除く): 70968914

約数列:

[1, 2, 367, 431, 439, 734, 862, 878, 158177, 161113, 189209, 316354, 322226, 378418, 69439703, 138879406]

約数ペア:

[(1, 138879406), (2, 69439703), (367, 378418), (431, 322226), (439, 316354), (734, 189209), (862, 161113), (878, 158177)]